CN107534236A - A kind of probe adapter single needle and probe adapter - Google Patents
A kind of probe adapter single needle and probe adapter Download PDFInfo
- Publication number
- CN107534236A CN107534236A CN201680003814.8A CN201680003814A CN107534236A CN 107534236 A CN107534236 A CN 107534236A CN 201680003814 A CN201680003814 A CN 201680003814A CN 107534236 A CN107534236 A CN 107534236A
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- China
- Prior art keywords
- needle
- fixed
- needle shaft
- probe adapter
- accommodating cavity
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
Abstract
A kind of probe adapter single needle and probe adapter.The single needle (40), which includes fixed needle shaft (43), movable needle tubing (41) and elastic component (42), active pointer pipe, has the needle shaft accommodating cavity (411) of one end open；Fixed needle shaft is provided with fixed part (433) and connecting portion (431), and the opening of connecting portion from needle shaft accommodating cavity stretches into needle shaft accommodating cavity, so that movable needle tubing is slidably matched with fixed needle shaft；Fixed part is used to be connected with the connecting hole in fixed seat；Elastic component is used to provide the axial line along movable needle tubing and the active force away from fixed pin direction of principal axis for movable needle tubing.The single needle is in use, the opening of needle shaft accommodating cavity on movable needle tubing is towards electronic product interior side, dust and other impurities are not easily accessible in gap between movable needle tubing and fixed needle shaft, the probability that dirt is accumulated between movable needle tubing and fixed needle shaft is reduced, improves the use reliability of probe adapter.
Description
This application involves field of connectors, in particular to a kind of probe adapter single needle and probe adapter.
The structure of probe adapter is referring to shown in Fig. 1 a, and Fig. 1 a is the structural schematic diagram of common probe adapter, and probe adapter includes at least one single needle 10 and fixing seat 20, and single needle 10 is installed in fixing seat 20；Its assembly method is referring to shown in Fig. 1 b and Fig. 1 c, Fig. 1 b is the assembly explosive view of probe adapter, Fig. 1 c is the cross-sectional view of a single needle 10, single needle 10 includes movable needle shaft 101, fixed needle tubing 103 and elastic component 102, this three basic element of character after the connection of precision instrument riveting by forming, wherein, accommodating cavity is formed in fixed needle tubing 103, and coaxial sleeve is set to the outside of movable needle shaft 101 and elastic component 102, movable needle shaft 101 can move in the accommodating cavity of fixed needle tubing 103 along the axis direction of fixed needle tubing 103, elastic component 102 is contacted with the bottom surface of the bottom surface of the accommodating cavity of fixed needle tubing 103 and movable needle shaft 101 respectively along the both ends of its axis direction, and it is in compressed energy-storage state, elastic component 102 is that movable needle shaft 101 is provided along movable needle shaft 1 01 axis and the active force for being directed toward the opening direction away from fixed needle tubing 103, during movable needle shaft 101 moves in the accommodating cavity of fixed needle tubing 103, the inner wall of the accommodating cavity of the outer wall of movable needle shaft 101 and fixed needle tubing 103 remains contact.
As shown in Figure 1 b, probe adapter is in use, on the pcb board 30 for the connected piece that the end B of fixed needle tubing 103 connects needed for need to being fixedly installed in, it is general that the end B of fixed needle tubing 103 is welded on the pad of pcb board by welding manner, the conducting end of another connected piece is in contact with the end A of movable needle shaft 101, and elastic component 102 is compressed, such as when probe adapter is applied to interior of mobile phone, the end B of fixed needle tubing 10 is welded on cell phone mainboard, the end A of movable needle shaft 101 is in contact with the positive and negative electrode conductive contact on battery or the golden finger on antenna；Because movable needle shaft 101 has certain stroke range, so its end A and the distance between the end B are adjustable, there are certain rigging errors for the gap between permissible two connected pieces, improve the tolerance rate of probe adapter；Electric current or data-signal circulate between fixed needle tubing 103 and movable needle shaft 101, and pcb board is electrically connected with connected piece or signal connects.
The probe adapter of existing structure is in use, the opening of the cavity of fixed needle tubing 103 is typically toward the outside of electronic product, and it exposes to except the shell of electronic product, when movable needle shaft 101 is moved relative to fixed needle tubing 103 and when compression elastic piece 102, the opening of the cavity of fixed needle tubing 103 can expose gap, by in external environment dust and steam influenced, dirt is accumulated in gap after long-time service easily between movable needle shaft 101 and fixed needle tubing 103, movable needle shaft 101 is caused to move clamping stagnation, make single needle resistance become larger or even lead to the problem of simultaneously to be not turned on, reduce the use reliability of probe adapter.
Summary of the invention
This application provides a kind of probe adapter single needle and probe adapters, the single needle of the structure is not easy to accumulate dirt inside it, it reduces and leads to the problem of the probability that needle shaft movement clamping stagnation and single needle resistance increase because of single needle inner accumulation dirt, improve the use reliability of probe adapter.
To achieve the above object, the present invention provides the following technical solution:
In a first aspect, providing a kind of probe adapter single needle, including fixed needle shaft, movable needle tubing and elastic component, wherein
The activity needle tubing has needle shaft accommodating cavity open at one end；
The fixed needle shaft is equipped with fixed part and interconnecting piece, and the opening of the interconnecting piece from the needle shaft accommodating cavity protrudes into the needle shaft accommodating cavity, so that the activity needle tubing is slidably matched with the fixed needle shaft；The fixed part is used to be cooperatively connected with the connecting hole in fixing seat；
The elastic component is connect to provide the axial line along the movable needle tubing for the movable needle tubing and deviate from the active force of the fixed pin axis direction with the fixed needle shaft and the movable needle tubing.
With reference to the above first aspect, in the first possible implementation, the bottom surface of the needle shaft accommodating cavity is plane and the angle between the axial line of the movable needle tubing is greater than 0 ° and less than 90 °.
In the implementation, because the bottom surface of the needle shaft accommodating cavity is plane and the angle between the axial line of the movable needle tubing is greater than 0 ° and less than 90 °, movable needle tubing generates inclination under the active force of elastic component, the contact area between movable needle tubing and fixed needle shaft can be increased, therefore, in the single needle conducting process, electric current can be made mainly to pass through movable needle tubing and fixed needle shaft conduction, reduce the electric current passed through in elastic component, the excessive problem that declines to a great extent with voltage of the single needle resistance that generates due to elastic component conduction can be reduced, reduce the generation for leading to electronic product instant cut-off phenomenon, ensure the stability that single needle uses.
In conjunction with the first possible implementation, in the second possible implementation, the insulating part prepared by insulating materials is equipped between the elastic component and the bottom surface of the needle shaft accommodating cavity.
In the implementation, insulating part can be further reduced the electric current conducted by elastic component.
With reference to the above first aspect, in the third possible implementation, the fixed needle shaft is equipped with auxiliary accommodating cavity of the opening towards the bottom surface of the needle shaft accommodating cavity, and the auxiliary accommodating cavity and the needle shaft accommodating cavity cooperate to accommodate the elastic component.
In the implementation, elastic component length matched with the fixation needle shaft of the structure can be more than that the length of movable needle tubing can make elastic component obtain stable elastic force and stroke in the case where single needle small volume installation space is limited.
With reference to the above first aspect, in the fourth possible implementation, the elastic component is compression spring.
With reference to the above first aspect, the first possible implementation, second of possible implementation, the third possible implementation, the 4th kind of possible implementation, in a fifth possible implementation, the fixed part is set to the one end of the fixed needle shaft on its direction of axis line, and the interconnecting piece is set to the other end of the fixed needle shaft on its direction of axis line.
In conjunction with above-mentioned 5th kind of possible implementation, in a sixth possible implementation, the fixed part includes being formed
Annular convex platform in fixed pin shaft end portion, the annular convex platform are equipped with connecting column away from the end face of the interconnecting piece.
With reference to the above first aspect, the first possible implementation, second of possible implementation, the third possible implementation, the 4th kind of possible implementation, in the 7th kind of possible implementation, the fixed part is set to the middle part of the fixed needle shaft, and the interconnecting piece is two and is located at both ends of the fixed needle shaft on its direction of axis line.
In conjunction with above-mentioned 7th kind of possible implementation, in the 8th kind of possible implementation, the fixed part includes the annular convex platform for being formed in the fixed needle shaft outer wall, or, being formed in the annular groove of the fixed needle shaft outer wall.
Second aspect, a kind of probe adapter is provided, fixing seat including being equipped at least one connecting hole, , it further include such as above-mentioned first aspect, the first possible implementation, second of possible implementation, the third possible implementation, 4th kind of possible implementation, 5th kind of possible implementation, 6th kind of possible implementation, 7th kind of possible implementation, 8th kind of possible implementation, probe adapter single needle described in 9th kind of possible implementation, the fixed part of the fixation needle shaft of the probe adapter single needle is installed on the connecting hole of the fixing seat.
In the probe adapter single needle that first aspect provides, the fixed part side of the fixed needle shaft of opening direction of needle shaft accommodating cavity on its movable needle tubing, in the use process of the probe adapter, fixed part on fixed needle shaft is fixedly connected with the related device in electronic product, movable needle tubing carries out opposite sliding relative to fixed needle shaft, so the opening of the needle shaft accommodating cavity of the activity needle tubing is towards on the inside of electronic product, compared with the opening of the needle shaft accommodating cavity in existing structure is towards the probe adapter single needle on the outside of electronic product, the probe adapter single needle that first aspect provides is not easily accessible dust and other impurities in the gap between movable needle tubing and fixed needle shaft, reduce the probability that dirt is accumulated between movable needle tubing and fixed needle shaft, improve the use reliability of probe adapter.
To describe the technical solutions in the embodiments of the present invention more clearly, the drawings to be used in the embodiments are briefly described below, apparently, drawings in the following description are only some embodiments of the invention, for those of ordinary skill in the art, without any creative labor, it is also possible to obtain other drawings based on these drawings.
Fig. 1 a is the structural schematic diagram of probe adapter common in the art；
Fig. 1 b is the assembly perspective view of the explosion of probe adapter common in the art；
Fig. 1 c is the structural profile illustration of probe adapter single needle common in the art；
Fig. 2 is the structural profile illustration for the probe adapter single needle that the embodiment of the present invention one provides；
Fig. 3 is the structural profile illustration for another probe adapter single needle that the embodiment of the present invention one provides；
Fig. 4 is the assembly perspective view of the explosion of probe adapter provided by Embodiment 2 of the present invention.
Following will be combined with the drawings in the embodiments of the present invention, and technical scheme in the embodiment of the invention is clearly and completely described, it is clear that the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, shall fall within the protection scope of the present invention.
Embodiment one:
The embodiment of the present invention one provides a kind of probe adapter single needle.
Referring to fig. 2, Fig. 2 is the structural profile illustration for the probe adapter single needle 40 that the embodiment of the present invention one provides, and probe adapter single needle 40 includes fixed needle shaft 43, movable needle tubing 41 and elastic component 42, in which:
Movable needle tubing 41 has needle shaft accommodating cavity 411 open at one end；
Fixed needle shaft 43 is equipped with fixed part 433 and interconnecting piece 431, and the opening of interconnecting piece 431 from needle shaft accommodating cavity 411 protrudes into needle shaft accommodating cavity 411, so that movable needle tubing 41 is slidably matched with fixed needle shaft 43；Fixed part 433 is used to be cooperatively connected with the connecting hole in fixing seat；
Elastic component 42 is connect with fixed needle shaft 43 and movable needle tubing 41, to provide the axial line along movable needle tubing 41 and the active force away from fixed 43 direction of needle shaft for movable needle tubing 41.
In probe adapter single needle 40 provided in this embodiment, 433 side of fixed part of the fixed needle shaft 43 of opening direction of needle shaft accommodating cavity 411 on its movable needle tubing 41, in the use process of the probe adapter single needle 40, fixed part 433 on fixed needle shaft 43 is fixedly connected with the related device in electronic product, movable needle tubing 41 carries out opposite slide relative to fixed needle shaft 43, so the opening of the needle shaft accommodating cavity 411 of the activity needle tubing 41 is towards on the inside of electronic product, compared with the opening of the needle shaft accommodating cavity in existing structure is towards the probe adapter single needle on the outside of electronic product, probe adapter single needle 40 provided in this embodiment is not easily accessible dust and other impurities in the gap between movable needle tubing 41 and fixed needle shaft 43, reduce the product between movable needle tubing 41 and fixed needle shaft 43 The probability of tired dirt, improves the use reliability of probe adapter.
Specifically, in the production process of fixed needle shaft 43 and movable needle tubing 41, fixed needle shaft 43 and movable needle tubing 41 can be used brass alloy material and prepare through method for turning；And its electric conductivity is reduced to prevent the surface oxidation of fixed needle shaft 43 and movable needle tubing 41, the outer layer of fixed needle shaft 43 and movable needle tubing 41 need to carry out nickel plating and gold-plated processing, and Gold plated Layer covers nickel coating, nickel coating and Gold plated Layer should select corresponding thickness with different use occasions, preferably, the thickness of nickel coating need to be greater than 60 μm, and gold-plated thick layer is greater than 4 μm；Simultaneously, to prevent interconnecting piece 431 from deviating from out of needle shaft accommodating cavity 411, as shown in Figure 2, in production process, the end of the opening formation inner shrinking structure of needle shaft accommodating cavity 411, interconnecting piece 431 need to be formed by riveting mouth technique and extend out structure, so that the two cooperation prevents interconnecting piece 431 from deviating from out of needle shaft accommodating cavity 411.
In a kind of preferred embodiment as shown in Figure 2, the bottom surface 412 of needle shaft accommodating cavity 411 is plane and the angle between the axial line of movable needle tubing 41 is less than or equal to 90 °.
In movable needle tubing 41 using the above structure, because bottom surface 412 is for plane and between the axial line of movable needle tubing 41
Angle is greater than 0 ° and less than 90 °, movable needle tubing 41 generates inclination under the active force of elastic component 42, the contact area between movable needle tubing 41 and fixed needle shaft 43 can be increased, therefore, in the conducting process of the single needle, electric current can be made mainly to pass through movable needle tubing 41 and the fixed conduction of needle shaft 43, reduce the electric current passed through in elastic component 42, the excessive problem that declines to a great extent with voltage of the single needle resistance generated because elastic component 42 is conductive can be reduced, reduce the generation probability of electronic product instant cut-off phenomenon, it is ensured that the stability that single needle uses.
In another preferred embodiment, to be further reduced the electric current conducted by elastic component 42, the insulating part prepared by insulating materials is equipped between elastic component 42 and the bottom surface 412 of needle shaft accommodating cavity 411.
In a kind of preferred embodiment as shown in Figure 2, fixed needle shaft 43 is equipped with auxiliary accommodating cavity 432 of the opening towards the bottom surface of needle shaft accommodating cavity 411 412, and auxiliary accommodating cavity 432 and needle shaft accommodating cavity 411 cooperate to accommodate elastic component 42.
42 length of elastic component matched with the fixation needle shaft 43 of above structure can be more than that the length of movable needle tubing 41 can make elastic component 42 obtain stable elastic force and stroke in the case where single needle small volume installation space is limited.
In a kind of preferred embodiment as shown in Figure 2, elastic component 42 is compression spring.
Specifically, one end of the compression spring is contacted with the bottom surface 412 of needle shaft accommodating cavity 411, the other end is contacted with fixed needle shaft 43, and is in compressed energy-storage state, to provide the axial line along movable needle tubing 41 and the active force away from fixed 43 direction of needle shaft for movable needle tubing 41；The compression spring can be used stainless steel material and be made.
The single needle may include a movable needle tubing 41 or two movable needle tubings 41, and specific implementation is as follows:
Implementation one, as shown in Fig. 2, the single needle includes a movable needle tubing 41, fixed part 433 is set to one end that fixed needle shaft 43 deviates from interconnecting piece 431, and interconnecting piece 431 is set to the other end of fixed needle shaft 43.
Specifically, as shown in Fig. 2, fixed part 433 includes the annular convex platform 4331 for being formed in fixed 43 end of needle shaft, annular convex platform 4331 is equipped with connecting column 4332 away from the end face of interconnecting piece.
The connecting column 4332 is used to weld with PCB or conducting wire, and concrete shape can be used cylindric as shown in Figure 2, and the connection structures such as screw thread can also be arranged according to connection requirement in the surface of the cylindric connecting column 4332；
The column structure of bending can also be used in addition to shape shown in Fig. 2 in connecting column 4332 on fixed needle shaft 43, in adaptable installation space.
Implementation two, as shown in figure 3, the single needle includes two movable needle tubings 41, fixed part 433 is located at the middle part of fixed needle shaft 43, and interconnecting piece 431 is two, and is located at both ends of the fixed needle shaft 43 on its direction of axis line.
Specifically, as shown in figure 3, fixed part 433 includes the annular convex platform for being formed in fixed 43 outer wall of needle shaft；
In addition, the fixed part can also be the annular groove for being formed in fixed 13 outer wall of needle shaft.
Embodiment two:
Second embodiment of the present invention provides a kind of probe adapters, as shown in figure 4, the probe adapter includes:
Fixing seat 20 equipped with multiple connecting holes 21；
It further include the probe adapter single needle 40 that embodiment one provides, the fixed part 433 of the fixation needle shaft 43 of each single needle 40 is installed on the connecting hole 21 of fixing seat 20.
Specifically, which, which adopts, is made from an insulative material, and is such as made of plastic material, it is preferable that high-temperature nylon can be used, 30% glass fibre is added to be made.
Similarly with embodiment one, in probe adapter provided in this embodiment, 433 side of fixed part of the fixed needle shaft 43 of opening direction of needle shaft accommodating cavity 411 on the movable needle tubing 41 of its single needle 40, in the use process of the probe adapter, fixed part 433 on fixed needle shaft 43 is fixedly connected with the related device in electronic product, movable needle tubing 41 carries out opposite slide relative to fixed needle shaft 43, so the opening of the needle shaft accommodating cavity 411 of the activity needle tubing 41 is towards on the inside of electronic product, compared with the opening of the needle shaft accommodating cavity in existing structure is towards the probe adapter on the outside of electronic product, the single needle 40 of probe adapter provided in this embodiment is not easily accessible dust and other impurities in the gap between movable needle tubing 41 and fixed needle shaft 43, it reduces in movable needle tubing 41 and fixed needle shaft 4 The probability that dirt is accumulated between 3, improves the use reliability of probe adapter.
Obviously, those skilled in the art can carry out various modification and variations without departing from the spirit and scope of the present invention to the embodiment of the present invention.If then the present invention is also intended to include these modifications and variations in this way, these modifications and changes of the present invention is within the scope of the claims of the present invention and its equivalent technology.
Claims (10)
- A kind of probe adapter single needle, which is characterized in that including fixed needle shaft, movable needle tubing and elastic component, whereinThe activity needle tubing has needle shaft accommodating cavity open at one end；The fixed needle shaft is equipped with fixed part and interconnecting piece, and the interconnecting piece protrudes into the needle shaft accommodating cavity from the opening of the needle shaft accommodating cavity, so that the activity needle tubing is slidably matched with the fixed needle shaft；The fixed part is used to be cooperatively connected with the connecting hole in fixing seat；The elastic component is connect to provide the axial line along the movable needle tubing for the movable needle tubing and deviate from the active force of the fixed pin axis direction with the fixed needle shaft and the movable needle tubing.
- Probe adapter single needle according to claim 1, which is characterized in that the bottom surface of the needle shaft accommodating cavity is plane and the angle between the axial line of the movable needle tubing is greater than 0 ° and less than 90 °.
- Probe adapter single needle according to claim 2, which is characterized in that the insulating part prepared by insulating materials is equipped between the elastic component and the bottom surface of the needle shaft accommodating cavity.
- Probe adapter single needle according to claim 1, which is characterized in that the fixed needle shaft is equipped with auxiliary accommodating cavity of the opening towards the bottom surface of the needle shaft accommodating cavity, and the auxiliary accommodating cavity and the needle shaft accommodating cavity cooperate to accommodate the elastic component.
- Probe adapter single needle according to claim 1, which is characterized in that the elastic component is compression spring.
- Probe adapter single needle according to claim 1-5, which is characterized in that the fixed part is set to the one end of the fixed needle shaft on its direction of axis line, and the interconnecting piece is set to the other end of the fixed needle shaft on its direction of axis line.
- Probe adapter single needle according to claim 6, which is characterized in that the fixed part includes the annular convex platform for being formed in fixed pin shaft end portion, and the annular convex platform is equipped with connecting column away from the end face of the interconnecting piece.
- Probe adapter single needle according to claim 1-5, which is characterized in that the fixed part is set to the middle part of the fixed needle shaft, and the interconnecting piece is two and is located at both ends of the fixed needle shaft on its direction of axis line.
- Probe adapter single needle according to claim 8, which is characterized in that the fixed part includes the annular convex platform for being formed in the fixed needle shaft outer wall, or, being formed in the annular groove of the fixed needle shaft outer wall.
- A kind of probe adapter, fixing seat including being equipped at least one connecting hole, it is characterized in that, further including such as the described in any item probe adapter single needles of claim 1-10, the fixed part of the fixation needle shaft of the probe adapter single needle is installed on the connecting hole of the fixing seat.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/074884 WO2017147761A1 (en) | 2016-02-29 | 2016-02-29 | Single needle for probe connector, and probe connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107534236A true CN107534236A (en) | 2018-01-02 |
Family
ID=59743348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680003814.8A Pending CN107534236A (en) | 2016-02-29 | 2016-02-29 | A kind of probe adapter single needle and probe adapter |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107534236A (en) |
| WO (1) | WO2017147761A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110749759A (en) * | 2018-07-23 | 2020-02-04 | 冯一鸣 | Probe structure |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109787012B (en) | 2019-02-27 | 2022-03-25 | 深圳市泰科汉泽精密电子有限公司 | Spring probe |
| CN110275080A (en) * | 2019-07-22 | 2019-09-24 | 丰宾电子（深圳）有限公司 | Detection device is followed closely under a kind of alminium electrolytic condenser nail volume machine guide pin |
| CN113555713B (en) * | 2020-04-23 | 2024-02-09 | 上海莫仕连接器有限公司 | Conductive element and electric connector |
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| CN201163674Y (en) * | 2007-03-12 | 2008-12-10 | 王邓盛 | Probe connector |
| CN201149917Y (en) * | 2007-12-14 | 2008-11-12 | 东莞中探探针有限公司 | Spring type contact probe |
| CN201383577Y (en) * | 2009-03-26 | 2010-01-13 | 长盛科技股份有限公司 | Battery connector |
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- 2016-02-29 WO PCT/CN2016/074884 patent/WO2017147761A1/en active Application Filing
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| CN2706908Y (en) * | 2004-04-22 | 2005-06-29 | 禾昌兴业股份有限公司 | Improvement of communication probe assembly structure |
| CN201181757Y (en) * | 2007-12-14 | 2009-01-14 | 东莞中探探针有限公司 | Spring type contact probe |
| CN201178169Y (en) * | 2008-02-05 | 2009-01-07 | 湘铧企业股份有限公司 | Probe structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2017147761A1 (en) | 2017-09-08 |
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